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Why is my car overheating?
It’s the heater control valve that is probably not working properly and sticking in a position that blocks both flows; the main radiator and the internal radiator for the interior of the car. Reseat the wire to the heater control valve to make sure it is getting the full current and voltage availablRead more
It’s the heater control valve that is probably not working properly and sticking in a position that blocks both flows; the main radiator and the internal radiator for the interior of the car. Reseat the wire to the heater control valve to make sure it is getting the full current and voltage available. Give the body of the valve a tap with the tire iron while the car is running to see if that will loosen up the valve temporarily If you see that the terminal is rusted, you may have to clean it with some emery and spray it with WD-40 or similar.
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